1566387280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{4397}}^1$

素因数の和:4544

約数の個数: 80

約数和(自身を含む): 3753112464

約数和(自身を除く): 2186725184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 73, 80, 122, 146, 244, 292, 305, 365, 488, 584, 610, 730, 976, 1168, 1220, 1460, 2440, 2920, 4397, 4453, 4880, 5840, 8794, 8906, 17588, 17812, 21985, 22265, 35176, 35624, 43970, 44530, 70352, 71248, 87940, 89060, 175880, 178120, 268217, 320981, 351760, 356240, 536434, 641962, 1072868, 1283924, 1341085, 1604905, 2145736, 2567848, 2682170, 3209810, 4291472, 5135696, 5364340, 6419620, 10728680, 12839240, 19579841, 21457360, 25678480, 39159682, 78319364, 97899205, 156638728, 195798410, 313277456, 391596820, 783193640, 1566387280]

約数ペア:

[(1, 1566387280), (2, 783193640), (4, 391596820), (5, 313277456), (8, 195798410), (10, 156638728), (16, 97899205), (20, 78319364), (40, 39159682), (61, 25678480), (73, 21457360), (80, 19579841), (122, 12839240), (146, 10728680), (244, 6419620), (292, 5364340), (305, 5135696), (365, 4291472), (488, 3209810), (584, 2682170), (610, 2567848), (730, 2145736), (976, 1604905), (1168, 1341085), (1220, 1283924), (1460, 1072868), (2440, 641962), (2920, 536434), (4397, 356240), (4453, 351760), (4880, 320981), (5840, 268217), (8794, 178120), (8906, 175880), (17588, 89060), (17812, 87940), (21985, 71248), (22265, 70352), (35176, 44530), (35624, 43970)]